1149224461 has 16 divisors (see below), whose sum is σ = 1433940480. Its totient is φ = 894786480.

The previous prime is 1149224437. The next prime is 1149224471. The reversal of 1149224461 is 1644229411.

It is a happy number.

It is not a de Polignac number, because 1149224461 - 2¹⁷ = 1149093389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149224411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104650 + ... + 115108.

It is an arithmetic number, because the mean of its divisors is an integer number (89621280).

Almost surely, 2^1149224461 is an apocalyptic number.

1149224461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1149224461 is a deficient number, since it is larger than the sum of its proper divisors (284716019).

1149224461 is a wasteful number, since it uses less digits than its factorization.

1149224461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11904.

The product of its digits is 13824, while the sum is 34.

The square root of 1149224461 is about 33900.2132884146. The cubic root of 1149224461 is about 1047.4539859753.

It can be divided in two parts, 11492 and 24461, that added together give a palindrome (35953).

The spelling of 1149224461 in words is "one billion, one hundred forty-nine million, two hundred twenty-four thousand, four hundred sixty-one".